Finding the Fourth Proportional to 2,018.32, 3,025.60 and 786.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.32 : 3,025.60 = 786.56 : x
2. Step 2: Convert to fraction form
   2,018.32/3,025.60 = 786.56/x
3. Step 3: Cross multiply
   2,018.32x = 3,025.60 × 786.56
4. Step 4: Simplify right side
   2,018.32x = 2,379,815.94
5. Step 5: Solve for x
   x = 2,379,815.94/2,018.32
6. Step 6: Final answer
   x = 1,179.11